Primer for ordnance.



No. 694.265. Patented Feb. 25, I902 C. VON GURTZ.

PRIMER FOR OBDNANCE.

'Application fllefl Sept. 28, 1900.)

2 Shaets Sheet 8.

(No Model.)

No. 694,265. Patnted Feb, 25, 1902.

c. VON GORTZ. Pmmen F08 ofimamcs.

(Application filed Sept. 28. 1900.) (No Model.) 2 S heets-shee1 2.

UNI-TED STATES Pannier (Enrica consrnnrmjvon cream, or I NNA, AUs'rnIA uUrumnY, ASSIGNOR To, run Finn: or SKODAWERKE Ac"Ionenssntseunrr in rupsnigoe PIL- enx, AUSTRIA-I1uNeAnY. y

PRIMER FOR .ORD NANCE.

EY'ZZGXFEGATIGN forming part Letters Patent No. 694,285, dated February 25, 7.902.

' Application filoil September 28, 1900: Serial-No. 31,428. No model.)

Ueit known that LQONS'IYANTIN YoXGOn'rz, firing by electricity the following additional armbjectofthe Emperor'ofAustria-Hungary, mechanism is required: A eondnctingwire residingai- Vienna, in tho Prm'in-ce'oi Lower f, inserted in and insulated from the-primer '5 -f\usl'ria, in the Empire of Ausiria-liuugary,- and here shown as located into. groove cut in have invented certain new and useful Imthe base ofihe screw-thread of the primer,- provemenis in Primers for()rdnaucejaudldo body, one end passing through a radial hole hereby declare the followingto be a full, clear, to the interior of the primenbody and conand exact description of the invention, such uecte'd to an incandescible wire g located in 10 as will enable olhersskilled intheartto which. the primer bodyan'd Within the priming comitappcrtains tomake and use the same, referposition (Z and linal-lyterminating at g, the once beinghad to the acco npziuyin1 d ra\\ ckterior wallof-the primer, and forminggproflugs, and to letters of-reference marked'thereerably, though uotnecessarily,a contact with on, which form a part of this specification. the cartridge-shell 7;- or secured to the body :5 in order to combine certainty of firingwith I of the primer. The other end of the wire the advantages of electrical primers for 0rd i passes through the base oi the primer and is nanccs it is necessaryi'orali electricalprime'r insulated. therefrom and is formed into a suitto be such that .in case-of a failure of the .able contact-buttonh, which isalso insulated electricei'firing the charge can 'be lired ini from the primer. by the sleeve i. The base 20 mcdiately mechanically by percussion witho! the-primer, excepting the button-7:, is cov-' charge the cartridge inlhc usual way. For 50 ,eut changing any part. When metal ear cred with a suitable iusulating-layer. 7o

Midge-eases are used, this object can be de- The breech-block is provided at or hear: its scribed in combination with an arrangement contacting surface with the primer-with a re on i'he breech-block oi the gun'comprising cess, into which is screwed an insulating- 25 an electrical conductor which is insulated sleeve mf, auil in this sleeve II-t is screwed from the breech-block and leads to ac0ntaetone,m '-,'efconduetingmateriahagainsl 1 ring piece of the primer and a firing-pin whicli'is terminal h, insulaiedby aring 7t from the arranged in the brecchrhlock for percussion breechblock. From the ring-terminal h 1 tiring. leadsa suitable insulated. wire 0 to one pole 50 Referring to the drawings, in which like -of a battery (1 or otitcr source of electricity:

parts are similarly designated, .l igui-e 1 is a The other pole of the battery is in electrical 8c section of the primer, and Fig. 2 is a similar contact with the cartridge-sheli, and the co'nsection showing parts of a gun. and shell. 2, neetion contains a suitable eircuitmaker or 'ihe percussion firing arrangement of the; button i. 'loiire' byeiectricity,itwillbe only 5 primer comprises a body a, of brass or steel, I necessary to depress the key or button i and a cap 0, and an anvil 0, having a central circuit will'be made-throughthe shell k, body openingc, filled with the.priming-composidot the primer, the incandescihle wir r;, Lion, and a detenating-charge'e, placed iutho wire f, contact 7:, sleeve m coniat-ring It, end of the body (6. The anvil is threaded wire 0 back to battery (f, therebyheating the primer is shown'insertcd in the end of a'car- Having thus described myinvention, What 0 and secured into the body a. In Fig. 2 the I wire g to discharge the cartridge.

tridge lain a gunivhose breech-block or con- I claim as new therein, and desire to secure iains a suitable opening l and a firing-pin j), by Letters Patent, is .4 y propelled by a spring 1- and suitably guided l. The combination with a metallic shell in the brceeirblock. l ly releasing the firinghavinga recess, of a primer cemprisinga body pin 3) it will. be-driven by its springrinto the portion provided with};groowe,:1v conductingopening [against the head of the body aof wire in said groove and terminating inside the primer to strike the cap 1; between the the primer,- an-inc mdescible wire inside the head and the anvil '0 against the anvil to disprimer'aud connected atone end to the primer:-

iJOtiY and at the other to said insulated wire, I

and an insulated contact in the head of the primer connected to said insulated wire, The combination with a metallic shell,

nected thereto and placed in said grooves and 4 terminating inside the primer, an i'nca'ndesci ble wire connected tothe end o the lat and to the primer-body, an anvil in the primer and a percussion-cap between the anvil'and:

the head of scribed. v

The combination with a metallic shell the primer, substantially as @10- having' a recess, of a primer adapted to 'he fired b electricity-and byperoussi' n, having thread, a percussion-cap in the primer, an

anvil screwed thereon to hold the cap against the end wall, an insulated conducting-Wire at the base of the exterior thread, an incan-- deseible wire inside the primer and connected at one end to the insulated wire and at the other to the body of the primer, an insulated contact in the head of the primer connected to said insulated \vire and a priming charge Surrounding the incandescible wire, snbstair daily as described.

In testimony that-I claim the foregoing as my'inve'ntion I have signed my namein presence of two subscribing witnesses.

CONSTANTIN VON GURTZ.

Witnesses:

GUs'rAv Pnrmrm'rron,

ALVESTO. S. House. 

